askjohn@luxreview.com was asked this question: ‘I work as a design engineer with a custom lighting company. We are looking for options to incorporate smart lighting into our products. I understand that “build-on activators” are available that can help with making existing LED fixtures smart. Is this true, and is it worth investigating?’

askjohn@luxreview.com was asked this question by Joe Van Vooren: ‘If a UVC LED specification states 6µW/m2 (microwatts per centimetre squared) at 100mA, does that mean radiation over one square centimetre at a distance of one centimetre from the LED?’